html, #app {
  height: 100%;
  margin: 0;
  overflow: hidden;
}
body {
  height: 100%;
  margin: 0;
  background-color: white;
  font-family: 'Microsoft YaHei', sans-serif;
  font-size: 16px;
}

/* fade-slide */
.fade-slide-leave-active,
.fade-slide-enter-active {
  transition: all 0.3s;
}

.fade-slide-enter-from {
  transform: translateX(-30px);
  opacity: 0;
}

.fade-slide-leave-to {
  transform: translateX(30px);
  opacity: 0;
}

::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-button {
  display: none;            /* 隐藏滚动条两端的箭头按钮 */
}

/* 滚动条轨道 */
::-webkit-scrollbar-track {
  background: #f1f1f1;      /* 设置轨道颜色 */
  border-radius: 4px;       /* 圆角 */
}

/* 滚动条滑块 */
::-webkit-scrollbar-thumb {
  background: rgba(136, 136, 136, 0.71);         /* 设置滑块颜色 */
  border-radius: 4px;
}

/* 悬停效果 */
::-webkit-scrollbar-thumb:hover {
  background: #555;
}